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(11)

EP 4 078 637 A1

(12)

(43) Date of publication: 26.10.2022 Bulletin 2022/43 (21) Application number: 20812387.7 (22) Date of filing: 02.12.2020

(51) International Patent Classification (IPC):  H01H 1/42(2006.01) H01H 3/00(2006.01) H01H 3/58(2006.01) H01H 1/18(2006.01) (52) Cooperative Patent Classification (CPC): H01H 1/42; H01H 3/58; H01H 3/001; H01H 1/18 (86) International application number: PCT/EP2020/084304 (87) International publication number: WO 2021/122008 (24.06.2021 Gazette 2021/25)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 19.12.2019 EP 19218094 (71) Applicant: ABB SCHWEIZ AG 5400 Baden (CH)	(72) Inventors: WEST, John Rune 3744 Skien (NO) SAXEGAARD, Magne 3931 Porsgrunn (NO) LAURITZEN, Richard 3728 Skien (NO) TALMO, Stale 3744 Skien (NO) LOHNE, Stanley 3930 Porsgrunn (NO) (74) Representative: Zimmermann & Partner Patentanwälte mbB  Postfach 330 920 80069 München 80069 München (DE)